要获取SortedList对象中指定键的索引,代码如下-
using System; using System.Collections; public class Demo { public static void Main(String[] args) { SortedList list = new SortedList(); list.Add("One", "Finance"); list.Add("Two", "Marketing"); list.Add("Three", "Sales"); list.Add("Four", "Purchase"); list.Add("Five", "Operations"); list.Add("Six", "IT"); Console.WriteLine("SortedList elements..."); foreach(DictionaryEntry d in list) { Console.WriteLine(d.Key + " " + d.Value); } Console.WriteLine("\nIndex at key One = "+list.IndexOfKey("One")); } }
输出结果
这将产生以下输出-
SortedList elements... Five Operations Four Purchase One Finance Six IT Three Sales Two Marketing Index at key One = 2
让我们看另一个例子-
using System; using System.Collections; public class Demo { public static void Main(String[] args) { SortedList list1 = new SortedList(); list1.Add("One", 1); list1.Add("Two", 2); list1.Add("Three", 3); list1.Add("Four", 4); list1.Add("Five", 5); list1.Add("Six", 6); list1.Add("Seven", 7); list1.Add("Eight", 8); list1.Add("Nine", 9); list1.Add("Ten", 10); Console.WriteLine("SortedList1 elements..."); foreach(DictionaryEntry d in list1) { Console.WriteLine(d.Key + " " + d.Value); } Console.Write("Index at key Five = "+list1.IndexOfKey("Five")); SortedList list2 = new SortedList(); list2.Add("A", "Accessories"); list2.Add("B", "Books"); list2.Add("C", "Smart Wearable Tech"); list2.Add("D", "Home Appliances"); Console.WriteLine("\n\nSortedList2 elements..."); foreach(DictionaryEntry d in list2) { Console.WriteLine(d.Key + " " + d.Value); } Console.Write("Index at key B = "+list2.IndexOfKey("B")); } }
输出结果
这将产生以下输出-
SortedList1 elements... Eight 8 Five 5 Four 4 Nine 9 One 1 Seven 7 Six 6 Ten 10 Three 3 Two 2 Index at key Five = 1 SortedList2 elements... A Accessories B Books C Smart Wearable Tech D Home Appliances Index at key B = 1